15532020112 has 20 divisors (see below), whose sum is σ = 34392330496. Its totient is φ = 6656580000.

The previous prime is 15532020103. The next prime is 15532020113. The reversal of 15532020112 is 21102023551.

It is not an unprimeable number, because it can be changed into a prime (15532020113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69339264 + ... + 69339487.

Almost surely, 2^15532020112 is an apocalyptic number.

It is an amenable number.

15532020112 is an abundant number, since it is smaller than the sum of its proper divisors (18860310384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15532020112 is a wasteful number, since it uses less digits than its factorization.

15532020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138678766 (or 138678760 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 15532020112 its reverse (21102023551), we get a palindrome (36634043663).

The spelling of 15532020112 in words is "fifteen billion, five hundred thirty-two million, twenty thousand, one hundred twelve".